Synergist-muscles Flashcards
Flexion of shoulder
Deltoid(anterior fibers), Pectoralis major(upper fibers), Biceps brahii, coracobrachialis
Extension of shoulder
Deltoid(posterior fibers), latissimus dorsi, teres major, pectoralis major(lower fibers), triceps brachii(long head)
Horizontal abduction shoulder
Deltoid(posterior)
Horizontal adduction shoulder
Deltoid(anterior fibers), Pectoralis major(upper fibers)
Abduction shoulder
Deltoid(all fibers), supraspinatus
Adduction shoulder
Latissimus dorsi, teres major, infraspinatus, teres minor, pectoralis major, triceps brachii, coracobrachialis
Lateral rotation(external rotation)
Deltoid(posterior fibers), infraspinatus, teres minor
medial rotation(internal rotation)
Deltoid(anterior fibers), latissimus dorsi, teres major, subscapularis, pectoralis major
Elevation scapula
Trapezius, rhomboid major, rhomboid minor, levator scapula
Depression scapula
Trapezius(lower fibers), serratus anterior, pectorlia minor
Scapular retraction
Trapezius(middle), rhomboid major, rhomboid minor
Scapular protraction
serratus anterior, pectoralis minor
Scapular upward rotation
Trapezius (upper and lower fibers), serratus anterior
Scapular downward rotation
rhomboid major, rhomboid minor, levator scapula, pectoralis minor
Elbow flexion
Bicpes brahii, brachialis, brachioradialis, flexor carpi radialis(assists), flexor carpi ulnaris(assists), palmaris longus(assists), pronator teres(assists), extenor carpi radialis longus/brevis (assists)
Elbow extension
Triceps brachii, anconeus
Forearm supination
biceps brachii, supinator, brachioradialis
Forearm pronation
pronator teres, pronator quadratus, brachioradialis
Wrist extension
extensor carpi radialis longus/brevis, extensor carpi ulnaris, extensor digitorum(assist), extensor indicis(assists)
Abduction(radial deviation)
extensor carpi radialis longus/brevis, extensor pollicis longus, extensor pollicis longus/brevis, flexor carpi radialis, abductor pollicis longus
Adduction (ulnar deviation)
extensor carpi ulnaris, flexor carpi ulnaris